Home GPU Comparison AMD Radeon HD 8990 OEM vs ATI Radeon HD 4830

AMD Radeon HD 8990 OEM vs ATI Radeon HD 4830

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8990 OEM and 512MB VRAM Radeon HD 4830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8990 OEM 's Advantages
Released 4 years and 6 months late
Boost Clock1000MHz
Larger VRAM bandwidth (288.0GB/s vs 57.60GB/s)
1408 additional rendering cores
ATI Radeon HD 4830 's Advantages
Lower TDP (95W vs 375W)

Score

Benchmark

FP32 (float)
Radeon HD 8990 OEM +456%
4.096 TFLOPS
Radeon HD 4830
0.736 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Oct 2008
Sea Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

950 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1500 MHz
Memory Clock
900 MHz

Memory

3GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
256bit
288.0GB/s
Bandwidth
57.60GB/s

Render Config

-
SM Count
-
32
Compute Units
8
2048
Shading Units
640
128
TMUs
32
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
256 KB

Theoretical Performance

32.00 GPixel/s
Pixel Rate
9.200 GPixel/s
128.0 GTexel/s
Texture Rate
18.40 GTexel/s
-
FP16 (half)
-
4.096 TFLOPS
FP32 (float)
736.0 GFLOPS
1024 GFLOPS
FP64 (double)
147.2 GFLOPS

Graphics Processor

Malta
GPU Name
RV770
Malta XT (215-0849026)
GPU Variant
RV770 LE (215-0669075)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
4.313 billion
Transistors
0.956 billion
365 mm²
Die Size
256 mm²

Board Design

375W
TDP
95W
750 W
Suggested PSU
250 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
2x DVI 1x S-Video
2x 8-pin
Power Connectors
1x 6-pin

Graphics Features

12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
4.1

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