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GPU Comparison

Side-by-side comparison of specifications and performance

Performance Comparison

ATI Radeon HD 4890

40%
40%

AMD Radeon R9 285

250%
250%
AMD Radeon R9 285 is approximately 210% faster

Technical Specifications

SpecificationATI Radeon HD 4890AMD Radeon R9 285
Graphics ProcessorDifferent
RV790
Tonga
CoresDifferent
800
1792
TMUsDifferent
40
112
ROPsDifferent
16
32
Memory SizeDifferent
1024 MB
2 GB
Memory Type
GDDR5
GDDR5
Bus Width
256 bit
256 bit

Graphics Processor

FeatureATI Radeon HD 4890AMD Radeon R9 285
GPU NameDifferent
RV790
Tonga
GPU VariantDifferent
RV790 XT(215-0758016)
Tonga PRO(215-0851128)
ArchitectureDifferent
TeraScale
GCN 3.0
Foundry
TSMC
TSMC
Process SizeDifferent
55 nm
28 nm
TransistorsDifferent
959 million
5,000 million
DensityDifferent
3.4M / mm²
13.7M / mm²
Die SizeDifferent
282 mm²
366 mm²

Graphics Card

FeatureATI Radeon HD 4890AMD Radeon R9 285
Release DateDifferent
Apr 2nd, 2009
Sep 2nd, 2014
GenerationDifferent
Radeon R700(HD 4800)
Volcanic Islands(R9 200)
PredecessorDifferent
Radeon R600
Sea Islands
SuccessorDifferent
Evergreen
Pirate Islands
Production
End-of-life
End-of-life
Launch Price
249 USD
249 USD
Bus InterfaceDifferent
PCIe 2.0 x16
PCIe 3.0 x16
ReviewsDifferent
114 in our database
59 in our database

Clock Speeds

FeatureATI Radeon HD 4890AMD Radeon R9 285
GPU ClockDifferent
850 MHz
918 MHz
Memory ClockDifferent
975 MHz3.9 Gbps effective
1375 MHz5.5 Gbps effective

Memory

FeatureATI Radeon HD 4890AMD Radeon R9 285
Memory SizeDifferent
1024 MB
2 GB
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
256 bit
BandwidthDifferent
124.8 GB/s
176.0 GB/s

Render Config

FeatureATI Radeon HD 4890AMD Radeon R9 285
Shading UnitsDifferent
800
1792
TMUsDifferent
40
112
ROPsDifferent
16
32
Compute UnitsDifferent
10
28
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 CacheDifferent
256 KB
512 KB

Theoretical Performance

FeatureATI Radeon HD 4890AMD Radeon R9 285
Pixel RateDifferent
13.60 GPixel/s
29.38 GPixel/s
Texture RateDifferent
34.00 GTexel/s
102.8 GTexel/s
FP32 (float)Different
1,360.0 GFLOPS
3.290 TFLOPS
FP64 (double)Different
272.0 GFLOPS (1:5)
205.6 GFLOPS (1:16)
FP16 (half)Different
N/A
3.290 TFLOPS (1:1)

Board Design

FeatureATI Radeon HD 4890AMD Radeon R9 285
Slot Width
Dual-slot
Dual-slot
LengthDifferent
241 mm9.5 inches
221 mm8.7 inches
HeightDifferent
111 mm4.4 inches
109 mm4.3 inches
WidthDifferent
40 mm1.6 inches
36 mm1.4 inches
TDP
190 W
190 W
Suggested PSU
450 W
450 W
OutputsDifferent
2x DVI1x S-Video
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 6-pin
2x 6-pin
Board NumberDifferent
109-B79031-00
C766

Graphics Features

FeatureATI Radeon HD 4890AMD Radeon R9 285
DirectXDifferent
10.1 (10_1)
12 (12_0)
OpenGLDifferent
3.3
4.6
OpenCLDifferent
1.1
2.1
VulkanDifferent
N/A
1.2.170
Shader ModelDifferent
4.1
6.5

Comparison Summary

7
Specifications Compared
8
Feature Categories
47
Detailed Features

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