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GPU Comparison
AMD Radeon RX 7990 XTX vs ATI Radeon HD 4870 Mac Edition
AMD Radeon RX 7990 XTX vs ATI Radeon HD 4870 Mac Edition
VS
AMD Radeon RX 7990 XTX
ATI Radeon HD 4870 Mac Edition
We compared two Desktop platform GPUs: 24GB VRAM Radeon RX 7990 XTX and 512MB VRAM Radeon HD 4870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7990 XTX 's Advantages
Boost Clock3599MHz
Larger VRAM bandwidth (1152GB/s vs 108.8GB/s)
5344 additional rendering cores
ATI Radeon HD 4870 Mac Edition 's Advantages
Lower TDP (150W vs 405W)
Score
Benchmark
FP32 (float)
Radeon RX 7990 XTX
+7270%
88.45 TFLOPS
Radeon HD 4870 Mac Edition
1.2 TFLOPS
Radeon RX 7990 XTX
VS
Radeon HD 4870 Mac Edition
Graphics Card
Unknown
Release Date
Jan 2009
Navi III
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2500 MHz
Base Clock
-
3599 MHz
Boost Clock
-
3000 MHz
Memory Clock
850 MHz
Memory
24GB
Memory Size
512MB
GDDR6
Memory Type
GDDR5
384bit
Memory Bus
256bit
1152GB/s
Bandwidth
108.8GB/s
Render Config
-
SM Count
-
96
Compute Units
10
6144
Shading Units
800
384
TMUs
40
192
ROPs
16
-
Tensor Cores
-
96
RT Cores
-
256 KB per Array
L1 Cache
16 KB (per CU)
6 MB
L2 Cache
256 KB
Theoretical Performance
691.0 GPixel/s
Pixel Rate
12.00 GPixel/s
1382 GTexel/s
Texture Rate
30.00 GTexel/s
176.9 TFLOPS
FP16 (half)
-
88.45 TFLOPS
FP32 (float)
1200 GFLOPS
2.764 TFLOPS
FP64 (double)
240.0 GFLOPS
Graphics Processor
Navi 31
GPU Name
RV770
Navi 31 XTX+
GPU Variant
RV770 XT Mac (215-0669080)
RDNA 3.0
Architecture
TeraScale
TSMC
Foundry
TSMC
5 nm
Process Size
55 nm
57.7 billion
Transistors
0.956 billion
529 mm²
Die Size
256 mm²
Board Design
405W
TDP
150W
800 W
Suggested PSU
450 W
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
Outputs
1x DVI 1x mini-DisplayPort 1.0
3x 8-pin
Power Connectors
2x 6-pin
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.2
OpenCL
1.1
1.3
Vulkan
N/A
-
CUDA
-
6.7
Shader Model
4.1
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